Name
Type
Address
Default
Range of Values / Meaning
Reference
String
String 1
STRING[16] DBB000
"String 1 "
16 string 1
String 2
STRING[16] DBB018
„String 2 „
16 String 2
String 3
STRING[16] DBB036
„String 3 „
16 String 3
String 4
STRING[16] DBB054
„String 4 „
16 String 4
72
Table 5-23
Allocation of DR 45
5.23 DR 46 Parameter for Reading MMC Logs in SIMATIC
Scale logs can be saved on the MMC card. If necessary, a verifiable (legal) log can
be read and its contents can be checked using the SIWATOOL FTC program.
Data records DR 46/DR 47 can be used to read any log in SIMATIC S7 (not
verifiable and only to be used as operational display). The user enters the desired
log ID in DR 46 and then sends DR 46 to the SIWAREX FTC. A short time later,
the log is prepared for reading (Status bit „MMC data ready S7). If the user now
requests the DR 47 with the log, the log with the desired ID is read in DR 47.
The last log can also be read through DR 47. 1 must be entered in BYTE 4 of DR 46.
In this case, the predefined log ID is ignored.
Procedures:
o
Define ID number and enter in DR 46
o
Send the DR 46 to the scale
o
Wait for status bit "MMC data ready S7"
o
Read DR 47
o
Display or check content of log.
Name
Type
Address
Default
Range of Values / Meaning
Reference
Index
ID number for reading
DINT DBD000
0
The definition ensures that the log with the ID
number is read when reading the DR 47. If the
request of the last data record (byte 0) is
activated, the ID number is ignored.
Request for the last data
record
BYTE DBB004
0
With the definition = 1, the last log is read through
data record DR 47.
Reserved
BYTE DBB005
0
Reserve.
6
Table 5-24 Allocation of DR 46
5-84
SIWAREX FTC
Содержание SIWAREX FTC
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